<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容"  v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addGoods">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table表格区 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="180px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <!-- 操作区域 -->
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeGoods(scope.row)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      // 商品信息
      goodsList: [],
      total: 0,
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      }
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 获取商品列表信息
    async getGoodsList() {
      const {data: res} = await this.$http.get('goods', {params: this.queryInfo})
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品数据失败')
      }

      this.$message.success('yes')
      this.goodsList = res.data.goods
      this.total = res.data.total
      console.log(this.goodsList)
    },

    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },

    handleCurrentChange(newNum) {
      this.queryInfo.pagenum = newNum
      this.getGoodsList()
    },

    // 删除商品
    removeGoods(item) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        const {data: res} = await this.$http.delete(`goods/${item.goods_id}`)
        if(res.meta.status !== 200) {
          return this.$message.error('删除商品失败')
        }

        this.getGoodsList()
        this.$message.success('删除商品成功')
      }).catch(() => {
        this.$message.info('已取消删除')
      })
    },

    // 添加商品
    addGoods() {
      this.$router.push('/goods/add')
    }
  }

}
</script>

<style>

</style>